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WATER CHEMISTRY EVALUATION OF THE EXISTING STIG-1 AND PROPOSED LEC-1 INJECTION WELLS <br /> NaF 1.099e-007 1.14le-007 -6. 959 -6. 943 <br /> 0.017 <br /> NaOH 1. 973e-008 2.049e-008 -7.705 -7. 688 <br /> 0.017 <br /> 0(0) 7. 655e-009 <br /> 02 3.827e-009 3. 976e-009 -8.417 -8.401 <br /> 0.017 <br /> S (-2) 0.000e+000 <br /> HS- 0.000e+000 0.000e+000 -129. 676 -129.819 - <br /> 0.143 <br /> H2S 0.000e+000 0.000e+000 -130.573 -130.556 <br /> 0.017 <br /> S-2 0.000e+000 0.000e+000 -134.428 -134. 931 - <br /> 0.503 <br /> S (6) 2. 61le-004 <br /> SO4-2 1. 663e-004 5.147e-005 -3.779 -4.288 - <br /> 0.509 <br /> CaSO4 5.129e-005 5.329e-005 -4.290 -4.273 <br /> 0.017 <br /> NaSO4- 2.889e-005 2.173e-005 -4.539 -4. 663 - <br /> 0.124 <br /> MgSO4 1.418e-005 1.473e-005 -4.848 -4.832 <br /> 0.017 <br /> KSO4- 4.082e-007 3.07le-007 -6.389 -6.513 - <br /> 0.124 <br /> HSO4- 2.032e-010 1.528e-010 -9. 692 -9.816 - <br /> 0.124 <br /> CaHSO4+ 1.184e-011 8. 905e-012 -10. 927 -11.050 - <br /> 0.124 <br /> NH4SO4- 0.000e+000 0.000e+000 -56.507 -56. 631 - <br /> 0.124 <br /> Si 5. 914e-004 <br /> H4SiO4 5.855e-004 6.082e-004 -3.232 -3.216 <br /> 0.017 <br /> H3SiO4- 5. 923e-006 4.456e-006 -5.227 -5.351 - <br /> 0.124 <br /> H2SiO4-2 5.850e-011 1.873e-011 -10.233 -10.727 - <br /> 0.495 <br /> SiF6-2 1.49le-037 4.773e-038 -36.827 -37.321 - <br /> 0.495 <br /> ------------------------------Saturation indices-------------------------- <br /> Phase SI log IAP log KT <br /> Anhydrite -2.20 -6. 60 -4.40 CaSO4 <br /> Aragonite 0.47 -7. 91 -8.39 CaCO3 <br /> Calcite 0. 61 -7. 91 -8.53 CaCO3 <br /> CH4 (g) -128.39 -131.31 -2. 92 CH4 <br /> Chalcedony 0.25 -3.21 -3.47 Si02 <br /> Chrysotile -1.18 30.11 31.29 Mg3Si205 (OH) 4 <br /> CO2 (g) -2. 63 -4.19 -1.55 CO2 <br /> Dolomite 0.75 -16.51 -17.26 CaMg(CO3) 2 <br /> Fluorite -3.01 -13.53 -10.52 CaF2 <br /> Gypsum -2.02 -6. 61 -4.59 CaSO4:2H2O <br /> H2 (g) -37. 63 -40.81 -3.18 H2 <br /> TECHNICAL MEMORANDUM_V3.DOC 14 <br />